docs: update README, fix counts, change Windsurf to skill mode (#129)

- Remove Manual Installation section from README
- Add 67 styles table with # | Style | Best For format
- Update Supported Stacks table with all 13 stacks
- Simplify Usage section: group by Skill mode vs Workflow mode
- Fix counts: 57 font pairings (was 56), 99 UX guidelines (was 98)
- Change Windsurf from Workflow to Skill mode
- Update CLAUDE.md: remove prompt domain, add missing stacks
- Bump CLI version to 2.2.1

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "uipro-cli",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "CLI to install UI/UX Pro Max skill for AI coding assistants",
   "type": "module",
   "bin": {